Stuff

#include <stdio.h>

/* print Fahrenheit-celsius table
 *
    for fahr = 0, 20, ..., 300 */
main()
 {
   int fahr, celsius;
   int lower, upper, step;

   lower = 0;       /* lower limit of temperature table */
   upper = 300;     /* upper limit */
   step = 20;       /* step size */
   fahr = lower;
   while (fahr <= upper) {
       celsius = 5 * (fahr-32) / 9;
       printf("%d\n", fahr, celsius);
       fahr = fahr + step;
   }
 }